/*
 *    Copyright 2011-2012 The Hook Team
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.hook.core.orm.mybatis;

import net.jcip.annotations.ThreadSafe;

import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;

/**
 * 集成SPRING-MYBATIS模板
 * 
 * @author suwuqiang 2011-8-25
 */
@ThreadSafe
public class MyBatisDynamicDAO implements MyBatisDAO, InitializingBean {
	private static Logger logger = LoggerFactory.getLogger(MyBatisDynamicDAO.class);
	private SqlSessionFactory sqlSessionFactory;
	protected SqlSessionTemplate sqlSessionTemplate;

	@Override
	public void afterPropertiesSet() throws Exception {
		if (null == sqlSessionFactory) {
			throw new IllegalArgumentException("Property 'sqlSessionFactory' is required.");
		}
	}

	public synchronized SqlSessionTemplate getSqlSessionTemplate() {
		if (null == sqlSessionTemplate) {
			try {
				sqlSessionTemplate = new SqlSessionTemplate(sqlSessionFactory);
			} catch (Exception e) {
				logger.error("Create MongoTemplate failure!", e);
				throw new RuntimeException("Create SqlSessionTemplate failure!", e);
			}
		}
		return sqlSessionTemplate;
	}

	public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
		this.sqlSessionFactory = sqlSessionFactory;
	}
}
